.尾部2 {
    height: 50px;
    background-color: #fff;
    width: 100%;
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    a {
        box-sizing: border-box;
        text-align: center;
        border-right: 1px solid rgb(182, 182, 182);
        border-top: 1px solid rgb(182, 182, 182);
    }
    a:nth-child(1) {
        color: #666;
        flex: 1;
        font-size: 14px;
        font-weight: bold;
    }
    a:nth-child(2) {
        color: #666;
        flex: 1;
        font-size: 14px;
        font-weight: bold;
    }
    a:nth-child(3) {
        background-color: rgb(255, 174, 0);
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 14px;
        font-weight: bold;
    }
    a:nth-child(4) {
        background-color: rgb(223, 29, 29);
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        border-right: none;
        font-size: 14px;
        font-weight: bold;
    }
}

.内容 {
    height: 100%;
    overflow: scroll;
    background-color: #fff;
    .标题 {
        color: #666;
        font-size: 14px;
        padding: 5px;
    }
    .价格 {
        color: red;
        font-size: 20px;
        padding: 5px;
    }
    .运费 {
        li {
            border-bottom: 1px solid rgb(199, 199, 199);
            display: flex;
            span {
                font-size: 14px;
                padding: 5px;
            }
            span:nth-child(1) {
                flex: 1;
                color: #666
            }
            span:nth-child(2) {
                flex: 4;
            }
        }
    }
    .选项 {
        padding: 5px;
        background-color: rgb(250, 250, 250);
        li {
            .第一行 {
                padding: 5px;
                border-bottom: 1px solid #ccc;
            }
            .第二行 {
                padding: 5px;
                display: flex;
                span {
                    font-size: 14px;
                    margin-right: 15px;
                }
            }
        }
    }
}